taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
039/Clay
005-904/Windthorst ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 4,457,660 0.9561 4,662,337 13 47 .009865867
E 4,889,020 0.9107 5,368,420 17 56 .022719257
G1 763,280 0.9643 791,538 7 12 .010029542
Random Totals: 10,109,960   10,822,295 37 115  
Catg J Exception Values: 1,995,700   2,041,168      
Catg D1 Exception Values: 1,296,200   1,200,409      
Catg G1 Exception Values: 553,230   527,370      
Total Test Values (4): 13,955,090   14,591,242      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 729,562

Confidence Interval Values (5)

State Lower Limit: 13,861,680 (State Test Value minus Margin of Error Percent)
Local Test Value: 13,955,090 (Within Confidence Interval)
State Upper Limit: 15,320,804 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 13,622,822 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories